I've decided that I would start training in the MMA, but I refuse to stop training in TKD period. I'm still a green belt, but from what I was told I'm pretty advanced for my belt. I've decided to throw in some Muay Thai with my training, should I work on it more? Or should I go to train more in wrestling, and work on my ground game? (Take note I'm 15 yrs of age, so i can't afford to do all three at the moment, already struggling to keep the bill payed for my TKD and MMA)

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No Sweat; No Determination; No Determination; No power; No Power; No Victory; No Victory, Who's To Blame Other Than You~.

Zach_Zinn is right. Read a bit of Musashi and You soon realize what Zach_Zinn is talking about, Bruce Lee as well, etc.! After all, man, Your body will start resisting process, because it will be too much, then You'll see where leads your "likes and dislikes".

Think of it this way, if you are really training for self defense or even sport to some degree, when the )(*& hits the fan, do you want to have 20 options to choose from? While your brain is busy trying to pick out which of the 100 ways you've learned to do a given thing, the other guy will get the jump.

Imho it does harm to your pocketbook and your training trying to spread yourself to thin like that, find what you like, and then find a good instructor that does that.

It's impossible to train that way in beginning and be effective, whatever you do it will come down to a few "go to" techniques or principles/whatever, and as you mature you can put some thought into cross training, and figure out what it is you are good and bad at. Likely your opinion on this will change as you train.

I'm not saying be close minded or don't train different ranges or whatever, but you can only process so much especially in the beginning.

First, figure out why you are training, is it self defense, competition or what?

Well, I want to fight for competition, and I also do the self-defense thing as well, tired of bullies picking on me, but not tired enough to go start something with them. So far, everything I've ever tried in life, I've failed at, but in my Taekwondo, it's just easier for me to accomplish.

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No Sweat; No Determination; No Determination; No power; No Power; No Victory; No Victory, Who's To Blame Other Than You~.

I think all martial arts are mixed, because nothing develops in a vacuum.

Be that as it may, if you want to fight for competition, then you have to ask yourself what sort of competition. If it's a WTF competition, then MMA techniques won't work, because WTF rules are very specific on the points that will be awarded.

I think you should get your black belt first, finish one style, and then mix and match as you see fit.

I think all martial arts are mixed, because nothing develops in a vacuum. Be that as it may, if you want to fight for competition, then you have to ask yourself what sort of competition. If it's a WTF competition, then MMA techniques won't work, because WTF rules are very specific on the points that will be awarded.

I think this is a good way to look at it, as TKD was 1st developed as a MMA. It is just that some styles over the years have concentrated on certain aspects, which led to a polarazation instead of a nice mix.

Training in MMA means you are at least open to the idea of being a professional fighter, someone who trains full-time and fights for a living. TKD is a very, very different animal. There are some TKD practitioners who practically live in the dojang. However, for most, TKD is more of a part-time activity. If you want to advance in MMA, you should probably lose this attachment to TKD. Training in MMA will almost certainly take up too much time and energy. Plus, chances are what you are learning in TKD will be of limited use to you in MMA.

You really can't go wrong by working on your ground game.You'll need it for MMA, if you decide to go that route, and if you decide to stay with TKD, it will help you to become more well-rounded.Personally, if it were me, I would stay with the TKD and suppliment it with some groundwork.You've said that you like TKD, and are doing well in it, so why not make the decision to stay with it and get really good at it?I've heard it said that the time that a martial artist spends achieving his black belt is like an apprenticeship, and your time after your black belt is when you really hone your art and put everything that you've learned previously to work.It seems that you're on the right path with your TKD, and the fact that you're young means that you have the opportunity to really become very advanced and enjoy the benefits of that while you're still relatively young.